Dispersing resins comprising polyethers/polyesters

Abstract

The invention provides dispersing resins for solids, obtainable by full or partial reaction of A) one or more amino-functional polymers with B) one or more polyesters of the general formula (I)/(Ia) T-C(O)—[O-A-C(O)] x —OH  (I) T 1 -O—[C(O)-A-O—] y —Z  (Ia)  and C) one or more polyethers of the general formula (II)/(IIa) T 2 -B—Z  (II) T-O—B—Z  (IIa).

1. A dispersing resin obtainable by full or partial reaction of
 A) one or more amino-functional polymers with 
 B) one or more polyesters of the general formula (I)/(Ia)
   T-C(O)—[O-A-C(O)] x —OH  (I)
 
   T-O—[C(O)-A-O—] y —Z  (Ia)
 
 
  and 
 C) one or more polyethers of the general formula (II)/(IIa)
   T-C(O)—B—Z  (II)
 
   T-O—B—Z  (IIa)
 
 in which 
 T is a hydrogen and/or a substituted or unsubstituted, linear or branched aryl, arylalkyl, alkyl or alkenyl radical wherein the alkyl or alkenyl radical has 1 to 24 carbon atoms, 
 A is at least one divalent radical selected from the group consisting of linear, branched, cyclic, and aromatic hydrocarbons, 
 Z is at least one radical selected from the group consisting of sulfonic acids, sulfuric acids, phosphonic acids, phosphoric acids, carboxylic acids, isocyanates, and epoxides, 
 B is a radical of the general formula (III)
   —(C L H 2L O) a —(C m H 2m O) b —(C n H 2n O) c —(SO) d —  (III)
 
 a, b, and c independently of one another are values from 0 to 100, with the proviso that the sum of a+b+c≧0 and that the sum of a+b+c+d>0 
 d≧0 
 L, m, and n independently of one another are ≧2 
 x and y independently of one another are ≧2. 
 
 
 
     
     
       2. The dispersing resin of  claim 1 , wherein
 (i) a+b+c is between 5 to 35, 
 (ii) d is between 1 to 5 and 
 (iii) l, m and n are each between 2 to 4. 
 
     
     
       3. The dispersing resin as claimed in  claim 1 , wherein the amino-functional polymer is at least one compound selected from the group consisting of amino-functional polyamino acids, amino-functional silicones, polyamidoamines, polyallylamines and poly(N-alkyl)allylamines, polyvinylamines, and polyalkyleneimines. 
     
     
       4. The dispersing resin as claimed in  claim 1 , wherein the amino-functional polymer is crosslinked by reaction of some of the amino groups with one or more polyfunctional compounds selected from the group consisting of isocyanates, carboxylic acids, (meth)acrylates, and epoxides. 
     
     
       5. The dispersing resin as claimed in  claim 1 , wherein the amino-functional polymer has a molecular weight of 400 g/mol to 600 000 g/mol. 
     
     
       6. The dispersing resin as claimed in  claim 1 , wherein the polyester groups are obtained by ring-opening polymerization of one or more lactones selected from the group consisting of β-propiolactone, β-butyrolactone, γ-butyrolactone, 3,6-dimethyl-1,4-dioxane-2,5-dione, δ-valerolactone, γ-valerolactone, ε-caprolactone, γ-caprolactone, 4-methylcaprolactone, 2-methyl-caprolactone, 5-hydroxydodecanolactone, 12-hydroxydodecanolactone, 12-hydroxy-9-octadecenoic acid, 12-hydroxyoctadecanoic acid. 
     
     
       7. The dispersing resin as claimed in  claim 1 , wherein the polyester groups have an average molecular weight M n  of 100 to 5000 g/mol. 
     
     
       8. The dispersing resin as claimed in at least one of  claim 1 , wherein the polyether radicals are, independently of one another, selected from the group consisting of ethylene oxide, propylene oxide, butylene oxide, dodecene oxide, tetradecene oxide, 2,3-dimethyloxirane, cyclopentene oxide, 1,2-epoxypentane, 2-isopropyloxirane, glycidyl methyl ester, glycidyl isopropyl ester, epichlorohydrin, 3-methoxy-2,2-dimethyloxirane, 8-oxabicyclo[5.1.0]octane, 2-pentyloxirane, 2-methyl-3-phenyloxirane, 2,3-epoxypropylbenzene, 2-(4-fluorophenyl)oxirane, and also their pure enantiomer pairs or enantiomer mixtures. 
     
     
       9. A binder-containing or binder-free pigment paste, coating material, printing ink and/or print varnish which further comprises the dispersing resin as claimed in  claim 1 . 
     
     
       10. A dispersion of a solid in a liquid medium, comprising at least one dispersing resin as claimed in  claim 1 . 
     
     
       11. The dispersion of solid of  claim 10 , wherein the solid is selected from the group consisting of pigments, fillers, dyes, optical brighteners, ceramic materials, magnetic materials, nanosisperse solids, metals, biocides, agrochemicals, and drugs. 
     
     
       12. The dispersion of solid of  claim 11 , wherein the pigment is an inorganic pigment selected from the group consisting of carbon blacks, titanium dioxides, zinc oxides, Prussian blue, iron oxides, cadmium sulfides and chromium pigments. 
     
     
       13. The dispersion of solid of  claim 11 , wherein the pigment is an organic pigment selected from the group consisting of azo, diazo, condensed azo, naphtol, metal complex, thioindigo, indanthrone, isoindanthrone, anthanthrone, anthraquinone, isobenzanthrone, triphexdioxazine, quinacridone, perylene, diketopyrrolopyrrole and phtalocyanine pigments. 
     
     
       14. The dispersion of solid of  claim 11 , wherein the filler is selected from the group consisting of talc, kaolin, silicas, barytes, and lime. 
     
     
       15. A method of lowering the viscosity of a solid in a liquid medium by addition of the dispersing resin claimed in  claim 1 . 
     
     
       16. A method of facilitating the dispersion of a solid in a liquid medium by addition of the dispersing resin claimed in  claim 1 . 
     
     
       17. A method of producing pastes with exhibit a viscosity of less than 5000 mPas in the low shear rate range and whose fine division is below 12 μm by addition of the dispersing resin claimed in  claim 1 . 
     
     
       18. The dispersion of solid in  claim 10  where the liquid medium is an organic solvent, water or a polyol. 
     
     
       19. The dispersing resin of  claim 1 , wherein Z is at least one radical selected from the group consisting of phosphoric acid and (meth)acrylic acid. 
     
     
       20. The dispersing resin of  claim 1 , wherein one or more polysters is a polyester of formula (I). 
     
     
       21. The dispersion of solid of  claim 11 , wherein the ceramic material is selected from the group consisting of aluminum oxides, silicates, zirconium oxides, titanium oxides, boron nitrides, silicon nitrides, boron carbides, mixed silicon/aluminum nitrides, and metal titanates. 
     
     
       22. The dispersion of solid of  claim 11 , wherein the magnetic material is a magnetic oxide of a transition metal. 
     
     
       23. The dispersion of solid of  claim 22 , wherein the magnetic oxide of a transition metal is selected from the group consisting of iron oxides, cobalt-doped iron oxides, and ferrites. 
     
     
       24. The dispersion of solid of  claim 11 , wherein the metal is selected from the group consisting of iron, nickel, cobalt, and alloys thereof. 
     
     
       25. The dispersion of solid of  claim 11 , wherein the drug is a fungicide.